Allik

Allik is an Estonian surname meaning "water source" or "spring". Notable people with the surname include:
 * Hendrik Allik (1901–1989), Estonian communist politician
 * Jaak Allik (born 1946), Estonian politician and theatre director
 * Johanna Allik (born 1994), Estonian figure skater
 * Jüri Allik, (born 1949), Estonian psychologist
 * Kristi Allik (born 1952), Canadian music educator and composer
 * Peeter Allik (1966–2019), Estonian artist